acctv3
struct acctv3 acct;
_Static_assert(sizeof(struct acctv3) - offsetof(struct acctv3, ac_trailer) ==
_Static_assert(sizeof(struct acctv3) - offsetof(struct acctv3, ac_len2) ==
requested(char *argv[], struct acctv3 *acp)
int readrec_forward(FILE *f, struct acctv3 *av3);
int readrec_backward(FILE *f, struct acctv3 *av3);
int requested(char *[], struct acctv3 *);
struct acctv3 ab;
int (*readrec)(FILE *f, struct acctv3 *av3);
readrec_v2(FILE *f, struct acctv3 *av3)
readrec_v3(FILE *f, struct acctv3 *av3)
readrec_vx(FILE *f, struct acctv3 *av3)
readrec_forward(FILE *f, struct acctv3 *av3)
readrec_backward(FILE *f, struct acctv3 *av3)
if (fseek(f, -roffsetof(struct acctv3, ac_trailer),
int readrec_forward(FILE *f, struct acctv3 *av2);
int readrec_backward(FILE *f, struct acctv3 *av2);
readrec_v1(FILE *f, struct acctv3 *av3)
int readrec_forward(FILE *f, struct acctv3 *av2);
struct acctv3 ac;